کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
4991250 1457104 2017 44 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Numerical simulation on heat transfer process in the reactor cavity of modular high temperature gas-cooled reactor
ترجمه فارسی عنوان
شبیه سازی عددی در فرآیند انتقال گرما در مخزن راکتور بخار با رگولاتور با درجه حرارت بالا با درجه حرارت بالا
موضوعات مرتبط
مهندسی و علوم پایه مهندسی شیمی جریان سیال و فرایندهای انتقال
چکیده انگلیسی
In order to enhance the safety of the reactor, the passive residual heat removal system (PRHRS) is adopted by both the 10 MW High Temperature Gas-cooled Test Reactor (HTR-10) and the High Temperature Gas-cooled Reactor Pebble-bed Module (HTR-PM). The heat transfer process in the reactor cavity is very important for the whole PRHRS to remove the heat from the reactor, especially once an accident occurs. A three-dimensional numerical model used to simulate the heat transfer process in the reactor cavity of HTR-10 was developed in this study, in which the flow of water in the water cooled pipe was included. The effects of different symmetry boundary conditions on the heat transfer process were studied. Three experimental conditions of HTR-10 were simulated, and the local and global heat transfer processes were analyzed. The results show that the effects of symmetry boundary condition can be neglected when two or more water cooled pipes are included in the model. The temperature of air varies greatly near the reactor pressure vessel (RPV) and the water cooled panel. The maximum temperature occurs at the top of the RPV. With the elevation increasing, the rising rate of water temperature gradually increases. Moreover, radiation become more dominant as the RPV temperature rises.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Applied Thermal Engineering - Volume 125, October 2017, Pages 1015-1024
نویسندگان
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